IP Library Granted Patent US 4,047,607
Granted Patent Utility
US 4,047,607 · App. 05/672,699

Articulated ribbon-guiding structure

Inventor: Frederick P. Willcox
Patented Case View Patent ↗
Granted: Sep 13, 1977 Filed: Apr 1, 1976
Inventor
Frederick P. Willcox

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

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Quick Facts
Patent No.
US 4,047,607
App. No.
05/672,699
Filed
1976-04-01
Granted
1977-09-13
Kind
A